Version bump to 0.9.13 (for development)
Version bump to 0.9.13 (for development)

yoshiwaan/varnish,GannettDigital/chef-varnish,bitzesty/varnish,NREL-cookbooks/varnish,GannettDigital/chef-varnish,gusrc/varnish,KierranM/varnish,jujugrrr/varnish,gusrc/varnish,elastera/varnish,rackspace-cookbooks/varnish,gusrc/varnish,yoshiwaan/varnish,TAKEALOT/varnish,TAKEALOT/varnish,elastera/varnish,gsreynolds/varnish,KierranM/varnish,gsreynolds/varnish,rackspace-cookbooks/varnish,NREL-cookbooks/varnish,rackspace-cookbooks/varnish,jujugrrr/varnish